Well here is something from 2012: http://blog.jetblue.com/index.php/20...th-korean-air/

I havent heard of the agreement terminated yet.

But you will be on a separate ticket not a combined one. Totally just opinion but I think that since you are flying F, the KE check in agents will prob try harder and make it happen for you. Though anywhere down the line an agent can tear apart your plans and ruin ur trip.